TM 9-2330-203-14&P
4-18. SERVICE BRAKE ADJUSTMENT (Con't).
(d)
Repeat steps (a) through (c) for rear brakeshoe, turning wheel forward and turning brakeshoe adjusting stud
(2) opposite to normal forward rotation.
(e)
Repeat steps 1 and 4(a) through 4(d) for other wheel. Make adjustments on both wheels as uniform as
possible.
5.
Lower jack and remove.
b.
MAJOR ADJUSTMENT
NOTE
Brake shoes are located on top and bottom of backing plate.
1.
Raise axle and support on two jackstands.
2.
3.
Remove nut (7), lockwasher (6), and access cover (5) from each brake drum (4). Discard lockwasher.
4.
M197 and M198:
(a)
Loosen locknut (8) on brakeshoe anchor pin (9). Rotate brake drum (3) until inspection hole (4) is 1X in. (3.8 cm)
from end of brakeshoe lining, nearest to anchor pin.
(b)
Insert 0.005 In. feeler gage between surface of brake drum (3) and brakeshoe lining. Turn anchor pin until 0.005
in. Clearance is obtained.
(c)
Hold anchor pin In place with one wrench and tighten anchor pin locknut with second wrench.
(d)
Rotate brake drum (3) until inspection hole (4) is 11 in. (3.8 cm) from camshaft end of same bra keshoe.
(e)
Insert 0.010 in. feeler gage and turn slack adjuster worm shaft (1) until 0.010 in. clearance Is obtained.
(f)
Repeat steps (a) through (e) for other wheel. Make adjustments on both wheels as uniform as possible.
4-30